Is my PDF uploaded to a server?

No. The watermark is added entirely in your browser. Your file is never uploaded anywhere.

Can I control how the watermark looks?

Yes. Set the watermark text, opacity, and font size. It's drawn diagonally across the center of every page.

Yes, the same watermark is applied to every page in the document.

No. Encrypted or password-protected PDFs can't be read in the browser. Remove the password first.

Add a text watermark to every page of a PDF, entirely in your browser.

Drag and drop a PDF file, or click to choose one

Upload a PDF, enter the watermark text, and adjust the opacity and font size to taste. The watermark is drawn diagonally across every page.

Click “Add watermark & download” to get the watermarked PDF.

Is my PDF uploaded to a server?: No. The watermark is added entirely in your browser. Your file is never uploaded anywhere.
Can I control how the watermark looks?: Yes. Set the watermark text, opacity, and font size. It's drawn diagonally across the center of every page.
Is the watermark added to every page?: Yes, the same watermark is applied to every page in the document.
Does this work with password-protected PDFs?: No. Encrypted or password-protected PDFs can't be read in the browser. Remove the password first.